Marine block or similar article



FIG. 1 is an end, top and right side perspective view of a marine block or similar article showing our new design;

FIG. 2 is a right side elevational view thereof, the side opposite being essentially a mirror image;

FIG. 3 is an end elevational view, the opposite end being essentially a mirror image;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for marine block or similar article, shown. 